Covers the following verification rules of the instrument during the period, only for communication reference! You can make an analogy and check the details during the establishment of your own instrument. pHS510 digital display acidity meter period verification rules ZK30 electric vacuum drying oven period verification rules BS224S electronic balance period verification rules CJZ-B magnetic metal detector period verification rules portable electric pressure steam sterilizer period verification rules UV-1800 ultraviolet visible spectrophotometer Period verification rules AA7003 Atomic absorption spectrometer period verification rules GC122 Gas chromatography period verification rules Liquid chromatography period verification rules
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